-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200711-02 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Low Title: OpenSSH: Security bypass Date: November 01, 2007 Bugs: #191321 ID: 200711-02 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== A flaw has been discovered in OpenSSH which could allow a local attacker to bypass security restrictions. Background ========== OpenSSH is a complete SSH protocol implementation that includes an SFTP client and server support. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-misc/openssh < 4.7 >= 4.7 Description =========== Jan Pechanec discovered that OpenSSH uses a trusted X11 cookie when it cannot create an untrusted one. Impact ====== An attacker could bypass the SSH client security policy and gain privileges by causing an X client to be treated as trusted. Workaround ========== There is no known workaround at this time. Resolution ========== All OpenSSH users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/openssh-4.7" References ========== [ 1 ] CVE-2007-4752 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4752 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200711-02.xml Concerns? ========= Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at http://bugs.gentoo.org. License ======= Copyright 2007 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license. http://creativecommons.org/licenses/by-sa/2.5 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFHKmwiuhJ+ozIKI5gRAoclAJ9nPm04js/sV/NleiRb3LAKnMUdmgCgnnw1 w0PBnuiQ6LA1pnroWHgenfA= =Cq+b -----END PGP SIGNATURE----- _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/